Quarter	Percentage of GDP
1951-04-01	12.8
1951-07-01	11.9
1951-10-01	11.7
1952-01-01	11.8
1952-04-01	11.8
1952-07-01	11.7
1952-10-01	11.6
1953-01-01	11.7
1953-04-01	11.5
1953-07-01	10.8
1953-10-01	10.9
1954-01-01	11.3
1954-04-01	11.6
1954-07-01	11.8
1954-10-01	12.4
1955-01-01	13.1
1955-04-01	13.5
1955-07-01	13.4
1955-10-01	13.6
1956-01-01	13.8
1956-04-01	13.2
1956-07-01	12.3
1956-10-01	12.2
1957-01-01	12.7
1957-04-01	13.1
1957-07-01	12.9
1957-10-01	13.0
1958-01-01	13.5
1958-04-01	13.2
1958-07-01	12.7
1958-10-01	12.8
1959-01-01	13.4
1959-04-01	13.6
1959-07-01	13.5
1959-10-01	13.7
1960-01-01	14.1
1960-04-01	14.0
1960-07-01	13.4
1960-10-01	13.0
1961-01-01	13.2
1961-04-01	13.0
1961-07-01	12.6
1961-10-01	12.8
1962-01-01	13.4
1962-04-01	13.5
1962-07-01	13.1
1962-10-01	13.1
1963-01-01	13.2
1963-04-01	13.1
1963-07-01	12.6
1963-10-01	12.6
1964-01-01	12.5
1964-04-01	12.3
1964-07-01	11.9
1964-10-01	11.8
1965-01-01	12.0
1965-04-01	12.3
1965-07-01	12.1
1965-10-01	12.4
1966-01-01	12.6
1966-04-01	12.7
1966-07-01	12.2
1966-10-01	12.2
1967-01-01	12.2
1967-04-01	11.8
1967-07-01	11.3
1967-10-01	11.4
1968-01-01	11.6
1968-04-01	11.8
1968-07-01	11.6
1968-10-01	11.8
1969-01-01	12.2
1969-04-01	12.5
1969-07-01	12.0
1969-10-01	12.2
1970-01-01	12.5
1970-04-01	13.2
1970-07-01	13.2
1970-10-01	13.7
1971-01-01	14.3
1971-04-01	14.1
1971-07-01	14.0
1971-10-01	14.6
1972-01-01	14.9
1972-04-01	15.2
1972-07-01	14.6
1972-10-01	15.1
1973-01-01	15.8
1973-04-01	15.4
1973-07-01	14.7
1973-10-01	15.5
1974-01-01	15.5
1974-04-01	15.4
1974-07-01	14.8
1974-10-01	15.0
1975-01-01	15.8
1975-04-01	15.9
1975-07-01	16.1
1975-10-01	17.1
1976-01-01	18.3
1976-04-01	18.5
1976-07-01	19.0
1976-10-01	20.4
1977-01-01	20.3
1977-04-01	19.8
1977-07-01	19.7
1977-10-01	20.4
1978-01-01	20.3
1978-04-01	20.8
1978-07-01	20.8
1978-10-01	22.6
1979-01-01	22.6
1979-04-01	23.2
1979-07-01	23.6
1979-10-01	24.4
1980-01-01	24.4
1980-04-01	23.6
1980-07-01	22.9
1980-10-01	23.9
1981-01-01	24.3
1981-04-01	24.0
1981-07-01	23.6
1981-10-01	24.7
1982-01-01	24.8
1982-04-01	24.5
1982-07-01	24.5
1982-10-01	26.5
1983-01-01	26.2
1983-04-01	25.6
1983-07-01	25.3
1983-10-01	26.5
1984-01-01	26.7
1984-04-01	26.9
1984-07-01	26.5
1984-10-01	27.9
1985-01-01	28.1
1985-04-01	27.3
1985-07-01	27.3
1985-10-01	27.9
1986-01-01	29.2
1986-04-01	28.4
1986-07-01	28.0
1986-10-01	28.5
1987-01-01	30.0
1987-04-01	28.6
1987-07-01	28.4
1987-10-01	28.6
1988-01-01	30.1
1988-04-01	28.7
1988-07-01	28.4
1988-10-01	30.0
1989-01-01	30.0
1989-04-01	30.0
1989-07-01	29.5
1989-10-01	30.3
1990-01-01	30.8
1990-04-01	30.2
1990-07-01	29.3
1990-10-01	29.7
1991-01-01	29.7
1991-04-01	28.8
1991-07-01	27.8
1991-10-01	27.8
1992-01-01	28.3
1992-04-01	28.6
1992-07-01	28.6
1992-10-01	29.2
1993-01-01	29.8
1993-04-01	29.0
1993-07-01	27.6
1993-10-01	27.7
1994-01-01	27.6
1994-04-01	26.5
1994-07-01	27.0
1994-10-01	27.2
1995-01-01	28.8
1995-04-01	27.8
1995-07-01	28.2
1995-10-01	28.2
1996-01-01	29.4
1996-04-01	28.3
1996-07-01	27.7
1996-10-01	27.5
1997-01-01	28.5
1997-04-01	27.5
1997-07-01	27.2
1997-10-01	27.9
1998-01-01	29.6
1998-04-01	28.8
1998-07-01	28.7
1998-10-01	28.3
1999-01-01	29.9
1999-04-01	28.6
1999-07-01	28.8
1999-10-01	30.3
2000-01-01	30.8
2000-04-01	31.4
2000-07-01	31.3
2000-10-01	32.4
2001-01-01	32.9
2001-04-01	32.6
2001-07-01	32.7
2001-10-01	33.3
2002-01-01	34.2
2002-04-01	36.0
2002-07-01	35.9
2002-10-01	36.6
2003-01-01	37.5
2003-04-01	36.9
2003-07-01	36.1
2003-10-01	36.7
2004-01-01	38.2
2004-04-01	38.0
2004-07-01	38.3
2004-10-01	40.6
2005-01-01	41.8
2005-04-01	42.3
2005-07-01	44.8
2005-10-01	45.4
2006-01-01	49.3
2006-04-01	48.5
2006-07-01	50.3
2006-10-01	50.4
2007-01-01	53.4
2007-04-01	51.1
2007-07-01	52.4
2007-10-01	52.9
2008-01-01	56.4
2008-04-01	55.1
2008-07-01	56.3
2008-10-01	56.6
2009-01-01	58.7
2009-04-01	57.0
2009-07-01	57.8
2009-10-01	56.8
2010-01-01	58.7
2010-04-01	57.5
2010-07-01	57.1
2010-10-01	59.5
2011-01-01	59.3
2011-04-01	58.1
2011-07-01	57.6
2011-10-01	59.2
2012-01-01	61.2
2012-04-01	61.4
2012-07-01	59.3
2012-10-01	60.8
2013-01-01	61.5
2013-04-01	62.0
2013-07-01	61.8
2013-10-01	61.4
2014-01-01	61.8
2014-04-01	60.9
2014-07-01	59.5
2014-10-01	59.7
2015-01-01	60.3
2015-04-01	59.8
2015-07-01	59.1
2015-10-01	60.2
2016-01-01	60.5
2016-04-01	59.0
2016-07-01	59.2
2016-10-01	56.5
2017-01-01	58.3
2017-04-01	55.6
2017-07-01	56.7
2017-10-01	55.8
2018-01-01	58.0